... become less stronger than before. So I use a opportunistic way to face the later English tests, and I pay less...
You'd better stop being an opportunist. You had better give up the opportunistic mindset.
...三個面向. 個人的想法供您參考: 1. 小李是個投機份子. He is very opportunistic. He is a total opportunist. 2. 小李很現實. (以自己利益為優先=selfish...